Home / 2,110,748.40-3,168,455.40-1,312,930.80

Finding the Fourth Proportional to 2,110,748.40, 3,168,455.40 and 1,312,930.80

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Solution

The fourth proportional to 2,110,748.40, 3,168,455.40 and 1,312,930.80 is: 1,970,847.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110,748.40 : 3,168,455.40 = 1,312,930.80 : x
  2. Step 2: Convert to fraction form
    2,110,748.40/3,168,455.40 = 1,312,930.80/x
  3. Step 3: Cross multiply
    2,110,748.40x = 3,168,455.40 × 1,312,930.80
  4. Step 4: Simplify right side
    2,110,748.40x = 4,159,962,683,086.32
  5. Step 5: Solve for x
    x = 4,159,962,683,086.32/2,110,748.40
  6. Step 6: Final answer
    x = 1,970,847.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.